qwt_legend_data.h

/******************************************************************************
 * Qwt Widget Library
 * Copyright (C) 1997   Josef Wilgen
 * Copyright (C) 2002   Uwe Rathmann
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the Qwt License, Version 1.0
 *****************************************************************************/
 
#ifndef QWT_LEGEND_DATA_H
#define QWT_LEGEND_DATA_H
 
#include "qwt_global.h"
 
#include <qvariant.h>
#include <qmap.h>
 
class QwtText;
class QwtGraphic;
 
class QWT_EXPORT QwtLegendData
{
  public:
    enum Mode
    {
        ReadOnly,
 
        Clickable,
 
        Checkable
    };
 
    enum Role
    {
        // The value is a Mode
        ModeRole,
 
        // The value is a title
        TitleRole,
 
        // The value is an icon
        IconRole,
 
        // Values < UserRole are reserved for internal use
        UserRole  = 32
    };
 
    QwtLegendData();
    ~QwtLegendData();
 
    void setValues( const QMap< int, QVariant >& );
    const QMap< int, QVariant >& values() const;
 
    void setValue( int role, const QVariant& );
    QVariant value( int role ) const;
 
    bool hasRole( int role ) const;
    bool isValid() const;
 
    QwtGraphic icon() const;
    QwtText title() const;
    Mode mode() const;
 
  private:
    QMap< int, QVariant > m_map;
};
 
#endif